Robust Nonfragile Control of Lateral Semiactive Suspension of Rail Vehicles

Table 4

Vehicle body head-shaking acceleration zero pole value.

Controller gain	Conventional robust Control		Robust non-fragile control
	Zero point z	Pole p	Zero point z	Pole p
Without perturbation	-6.7296	-1.8805+4.6662i	-3.7942	-13.7740
	0.0000	-1.8805-4.6662i	0.0000	-1.0360
With perturbation	-7.8835	0.2894 +5.4375i	-4.9482	-8.5680
	0.0000	0.2894 - 5.4375i	0.0000	-2.1720